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\f0\fs24 \cf0 MAIN CODE:\
diffuse.m --- function for computing diffusion coordinates\
diffusion_kmeans.m --- function for diffusion coarse-graining\
\
\
EXAMPLES:\
1. diffusion_example.m --- example of usage of the functions "diffuse" and "diffusion_kmeans" with a toy data set\
(annulus.mat) as input\
\
2. ssp_example.m --- example from astronomy of usage of the \
functions "diffuse" and "diffusion_kmeans" with simple \
stellar population (SSP) spectra as input\
(For more details, see Richards et al, \
"Accurate parameter estimation for star \
formation histories in galaxies using SDSS spectra")\
\
DATA SETS:\
annulus.mat --- test data set in 2 dimensions\
ssps.txt --- spectra from 1278 SSPs of Bruzual & Charlot (2003)\
ssps_wl.txt --- wavelength dispersion of SSP spectra\
ssp_params.txt --- age & metallicity of SSPs\
\
}